1478234 has 4 divisors (see below), whose sum is σ = 2217354. Its totient is φ = 739116.

The previous prime is 1478231. The next prime is 1478237. The reversal of 1478234 is 4328741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4328741 = 37 ⋅116993.

It is an interprime number because it is at equal distance from previous prime (1478231) and next prime (1478237).

It can be written as a sum of positive squares in only one way, i.e., 908209 + 570025 = 953^2 + 755^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1478197 and 1478206.

It is not an unprimeable number, because it can be changed into a prime (1478231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369557 + ... + 369560.

2^1478234 is an apocalyptic number.

1478234 is a deficient number, since it is larger than the sum of its proper divisors (739120).

1478234 is an equidigital number, since it uses as much as digits as its factorization.

1478234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739119.

The product of its digits is 5376, while the sum is 29.

The square root of 1478234 is about 1215.8264678810. The cubic root of 1478234 is about 113.9150387790.

The spelling of 1478234 in words is "one million, four hundred seventy-eight thousand, two hundred thirty-four".